#include <iostream>
#include <string>
#include <cstring>
using std::cout; using std::endl; using std::string;

int main()
{
	// use string.
	string s1("Mooophy"), s2("Pezy");
	if (s1 == s2)
		cout << "same string." << endl;
	else if (s1 > s2)
		cout << "Mooophy > Pezy" << endl;
	else
		cout << "Mooophy < Pezy" << endl;

	cout << "=========" << endl;

	// use C-Style character strings.
	const char* cs1 = "Wangyue";
	const char* cs2 = "Pezy";
	auto result = strcmp(cs1, cs2);
	if (result == 0)
		cout << "same string." << endl;
	else if (result < 0)
		cout << "Wangyue < Pezy" << endl;
	else
		cout << "Wangyue > Pezy" << endl;
	system("pause");
	return 0;
}
